The order of the planets in the solar system, starting nearest the sun and working outward is the following: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and then the possible ...

Because they're surrounded by foul-smelling gases that are incompatible with the human sense of smell, living on the surface ...

A passing star may have kicked the weird moons of giant planets like Jupiter and Saturn into place, new research suggests.

The discovery may help scientists understand when and where planets like super-Earths can form in our galaxy, and help astronomers focus their search for planets around stars that are more likely to ...

Homeowners are installing solar panels in increasing numbers and reaping the financial and environmental benefits. But some ...

For years, astronomers have been hunting for Planet Nine, a hypothetical giant planet believed to be lurking at the far ...

Black holes about the size of a hydrogen atom could be careening through the solar system unnoticed ... a primordial black hole passes close to a planet, it could produce noticeable effects ...

Dave Eggers is the author of “The Circle,” “What Is the What” and, most recently, “The Eyes and the Impossible,” winner of ...

Palmetto, Solar Energy World, and Blue Raven Solar are the best solar companies in the U.S., based on a review by the MarketWatch Guides team. A residential solar system from one of our top ...

A temporary “mini-moon” will whirl around Earth for about two months as our planet’s gravity captures a small asteroid in its orbit.

Note: All quoted prices in this review are for a professionally installed 8 kilowatt (kW) system ... has more solar capacity than both states combined. Here are some key facts about the solar ...